Home / 1,231,708.34-1,699,287.57-748,091.06

Finding the Fourth Proportional to 1,231,708.34, 1,699,287.57 and 748,091.06

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Solution

The fourth proportional to 1,231,708.34, 1,699,287.57 and 748,091.06 is: 1,032,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,708.34 : 1,699,287.57 = 748,091.06 : x
  2. Step 2: Convert to fraction form
    1,231,708.34/1,699,287.57 = 748,091.06/x
  3. Step 3: Cross multiply
    1,231,708.34x = 1,699,287.57 × 748,091.06
  4. Step 4: Simplify right side
    1,231,708.34x = 1,271,221,839,486.12
  5. Step 5: Solve for x
    x = 1,271,221,839,486.12/1,231,708.34
  6. Step 6: Final answer
    x = 1,032,080.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.